20229474 has 8 divisors (see below), whose sum is σ = 40458960. Its totient is φ = 6743156.

The previous prime is 20229467. The next prime is 20229481. The reversal of 20229474 is 47492202.

It is an interprime number because it is at equal distance from previous prime (20229467) and next prime (20229481).

It is a sphenic number, since it is the product of 3 distinct primes.

20229474 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685784 + ... + 1685795.

It is an arithmetic number, because the mean of its divisors is an integer number (5057370).

Almost surely, 2^20229474 is an apocalyptic number.

20229474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20229474 is a wasteful number, since it uses less digits than its factorization.

20229474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371584.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 20229474 is about 4497.7187551024. The cubic root of 20229474 is about 272.4759634271.

The spelling of 20229474 in words is "twenty million, two hundred twenty-nine thousand, four hundred seventy-four".